From 4fbd1901fdabc829cfa7e7d4d0c1272bba87033c Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Thu, 15 Nov 2012 22:26:16 +0000
Subject: Untested external audio support; AB transcodes still broken.

---
 src/lib/video_decoder.h | 60 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 src/lib/video_decoder.h

(limited to 'src/lib/video_decoder.h')

diff --git a/src/lib/video_decoder.h b/src/lib/video_decoder.h
new file mode 100644
index 000000000..df06b7cd9
--- /dev/null
+++ b/src/lib/video_decoder.h
@@ -0,0 +1,60 @@
+#ifndef DVDOMATIC_VIDEO_DECODER_H
+#define DVDOMATIC_VIDEO_DECODER_H
+
+#include "video_source.h"
+#include "stream.h"
+#include "decoder.h"
+
+class VideoDecoder : public VideoSource, public virtual Decoder
+{
+public:
+	VideoDecoder (boost::shared_ptr<Film>, boost::shared_ptr<const Options>, Job *);
+
+	/** @return video frames per second, or 0 if unknown */
+	virtual float frames_per_second () const = 0;
+	/** @return native size in pixels */
+	virtual Size native_size () const = 0;
+
+	virtual int time_base_numerator () const = 0;
+	virtual int time_base_denominator () const = 0;
+	virtual int sample_aspect_ratio_numerator () const = 0;
+	virtual int sample_aspect_ratio_denominator () const = 0;
+
+	virtual void set_subtitle_stream (boost::optional<SubtitleStream>);
+
+	SourceFrame video_frame () const {
+		return _video_frame;
+	}
+
+	boost::optional<SubtitleStream> subtitle_stream () const {
+		return _subtitle_stream;
+	}
+
+	std::vector<SubtitleStream> subtitle_streams () const {
+		return _subtitle_streams;
+	}
+
+protected:
+	
+	virtual PixelFormat pixel_format () const = 0;
+	void set_progress () const;
+
+	void emit_video (boost::shared_ptr<Image>);
+	void emit_subtitle (boost::shared_ptr<TimedSubtitle>);
+	void repeat_last_video ();
+
+	boost::optional<SubtitleStream> _subtitle_stream;
+	std::vector<SubtitleStream> _subtitle_streams;
+
+private:
+	void signal_video (boost::shared_ptr<Image>, boost::shared_ptr<Subtitle>);
+
+	SourceFrame _video_frame;
+
+	boost::shared_ptr<TimedSubtitle> _timed_subtitle;
+
+	boost::shared_ptr<Image> _last_image;
+	boost::shared_ptr<Subtitle> _last_subtitle;
+};
+
+#endif
-- 
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